CN2898428Y - Double-conical surface friction clutch of gearbox for ship - Google Patents
Double-conical surface friction clutch of gearbox for ship Download PDFInfo
- Publication number
- CN2898428Y CN2898428Y CN 200620072493 CN200620072493U CN2898428Y CN 2898428 Y CN2898428 Y CN 2898428Y CN 200620072493 CN200620072493 CN 200620072493 CN 200620072493 U CN200620072493 U CN 200620072493U CN 2898428 Y CN2898428 Y CN 2898428Y
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- CN
- China
- Prior art keywords
- driven gear
- conical surface
- friction clutch
- output shaft
- counter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a double-conical surface friction clutch of gearbox for ship, which comprises a forward driven gear and a reversal driven gear which are separately looped on the left and right bearing of the output shaft, a double-conical surface friction block matched with the output shaft and the eccentric shifting machine. The double-conical block is located in the middle of the forward driven gear and the reversal driven, and the distance is separate same between the eudipleural outer conical surface and the corresponding inner conical surface of the forward driven gear and the inner conical surface of reversal driven gear; the inner hole of the double-conical friction block and the output shaft is an involute spline connection, and the spline groove is a spiral groove. Since the liquid resisting moment produces axial component on the bevel of the output shaft spiral spline groove, the combined positive pressure between the inner and outer conical surface can be automatically improved, and the inner, outer conical surface can be more reliable. The friction clutch has the advantages of light in weight, low in combination noise, and in particular to apply in matching high-speed marine engine.
Description
Technical field
The utility model relates to the clutch that a kind of speed reducer uses, and particularly a kind ofly is adapted at using on the high speed small-power marine gearbox and can belongs to the mechanical transmissioning technology field to the inner conical surface bipyramid face friction clutch of pressurization automatically.
Background technique
At present, the friction clutch that high speed small-power marine gearbox uses is all traditional multi-plate friction clutch, 12 active friction plates of at least six groups and driven friction and other auxiliary components is housed, complex structure on its input shaft and the output shaft respectively.Especially difficulty is adjusted in the gap between main, the driven friction, adjust improper very easily cause in conjunction with the time skid between the active and passive friction plate and can not transmitting torque; Or active and passive friction plate can not separate when throwing off, and causes output shaft to continue rotation.Even under the unloaded state of output shaft stall, also can bump between the active and passive friction plate, friction plate very easily weares and teares so that will often take gap between gear-box adjustment master, the driven friction apart.Owing to input, 12 masters of at least six groups, driven friction are housed on the output shaft, in conjunction with the time frictional loss big, it is higher generate heat, friction plate constantly stirs the lubricant oil in the gear-box, and the oil temperature is sharply risen, and causes the bad and seepage of lubricant oil change easily.
Summary of the invention
In order to adjust difficulty in the gap between the friction plate that overcomes existing marine gearbox multi-plate friction clutch existence, active and passive friction plate can not separate during disengagement, problems such as friction disc wear is very fast, of the present utility modelly provide a kind of simple in structure, not easy to wear, in conjunction with the time rubbing surface Marine Gearbox Twin Cone friction clutch that can pressurize automatically.
The utility model is achieved by the following technical programs: a kind of Marine Gearbox Twin Cone friction clutch comprises the just commentaries on classics driven gear of kink on the bearing of the output shaft left and right sides and counter-rotating driven gear respectively, bipyramid face brake pad that cooperates with output shaft and eccentric shifting fork mechanism.Bipyramid face brake pad is positioned at the centre of just changeing driven gear and counter-rotating driven gear, its symmetrical male cone (strobilus masculinus) equates with the inner conical surface distance of inner conical surface that is just changeing driven gear accordingly and counter-rotating driven gear, interior male cone (strobilus masculinus) is formed the friction driving pair, respectively there are left thrusting plate and right thrusting plate in the outside of just changeing driven gear and counter-rotating driven gear, bipyramid face brake pad endoporus is that involute splines is connected with output shaft, spline is a spiral chute, the spiral fluted lead angle is 35 °-55 °, described spiral fluted lead angle is 45 °, the symmetrical male cone (strobilus masculinus) of bipyramid face brake pad respectively is 1-3mm with the axial clearance of the inner conical surface that just changes driven gear and counter-rotating driven gear that matches, the symmetrical male cone (strobilus masculinus) of described bipyramid face brake pad respectively is 1-1.5mm with the axial clearance of the inner conical surface that just changes driven gear and counter-rotating driven gear, the throw of eccentric of selector fork axle sleeve is 4-6mm, and the throw of eccentric of described selector fork axle sleeve is 5mm.
The beneficial effects of the utility model are:
1. Marine Gearbox Twin Cone friction clutch is simple in structure, and inside and outside conical surface moment is in conjunction with steadily reliable, in conjunction with the time not have substantially to wear and tear.Even the normal wear of other component such as bearing, thrusting plate also need not to adjust the gap of male cone (strobilus masculinus) in the bipyramid face friction clutch.
2. after the interior male cone (strobilus masculinus) combination of bipyramid face friction clutch, output shaft drives dynamometer or propeller cavitation rotation, because the fluid resistance square has produced axial thrust load on output shaft Turbo Flora keyway inclined-plane, automatically increased between the interior male cone (strobilus masculinus) in conjunction with positive pressure, make the inside and outside conical surface in conjunction with more reliable.
3. because frictional loss is little, lubricant oil oil temperature has prolonged the working life of lubricant oil than low more than 30 degree of multi-plate friction clutch marine gearbox in the gear-box.
4. bipyramid face friction clutch is more in light weight, low in conjunction with noise than multi-plate friction clutch, especially is suitable for coupling high speed marine engine.
Description of drawings
Fig. 1 is to use the marine gearbox complete section plan view of bipyramid face friction clutch.
Fig. 2 is the complete section left view of Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Be labeled as among the figure: input shaft 1, positive alternation of hosts's moving gear 2, counter-rotating driving gear 3, just change fastening screw nut 11 behind fastening screw nut 8 before driven gear 4, counter-rotating driven gear 5, bipyramid face brake pad 6, output shaft 7, the output shaft, left thrusting plate 9, right thrusting plate 10, the output shaft, shift control handle 12, selector fork axle sleeve 13, selector fork 14, spline 15.
As Fig. 1, shown in Figure 2, positive alternation of hosts's moving gear 2, counter-rotating driving gear 3 is a unitary construction with input shaft 1, positive alternation of hosts's moving gear 2 with by just commentaries on classics driven gear 4 engagements of bearing kink on output shaft 7, counter-rotating driving gear 3 is through intermediate gear and by counter-rotating driven gear 5 engagements of bearing kink on output shaft 7, left side thrusting plate 9 is positioned at the outside of just changeing driven gear 4, right thrusting plate 10 is positioned at the outside of counter-rotating driven gear 5, bipyramid face brake pad 6 is positioned at the centre of just changeing driven gear 4 and counter-rotating driven gear 5, its symmetrical male cone (strobilus masculinus) equates separately with the inner conical surface distance of just changeing driven gear 4 and counter-rotating driven gear 5 accordingly, interior male cone (strobilus masculinus) matches and forms the friction driving pair, the endoporus of bipyramid face brake pad 6 and output shaft 7 are for involute splines is connected, and spline 15 is a spiral chute.
The moment of torsion of main frame power source is input to input shaft 1, driven gear 4 is just being changeed in positive alternation of hosts's moving gear 2 drives just to be changeed, counter-rotating driving gear 3 drives 5 counter-rotatings of counter-rotating driven gear by intermediate gear, be positioned at the bipyramid face brake pads 6 that just change driven gear 4 and counter-rotating driven gear 5 centres this moment and be in unconjugated neutral gear position, output shaft 7 remains static.With shift control handle 12 rotation counterclockwise, because the throw of eccentric effect of selector fork axle sleeve 13, making selector fork 14 promote bipyramid face brake pad 6 moves to left, just changeing male cone (strobilus masculinus) steady combination of moment of inner conical surface with the bipyramid face brake pad 6 of driven gear 4, output shaft 7 is just changeing, because the fluid resistance square produced axial thrust load on output shaft Turbo Flora keyway 15 inclined-planes, increased automatically between the interior male cone (strobilus masculinus) in conjunction with positive pressure, make friction driving more reliable.Zero-bit is got back in shift control handle 12 clockwise directions rotations, bipyramid face brake pad 6 with just change driven gear 4 and separate, output shaft 7 stops the rotation.Shift control handle 12 is continued the clockwise direction rotation, selector fork 14 promotes bipyramid face brake pad 6 and moves to right, the inner conical surface of counter-rotating driven gear 5 and male cone (strobilus masculinus) steady combination of moment of bipyramid face brake pad 6, output shaft 7 counter-rotatings, it is same because the fluid resistance square has produced axial thrust load on output shaft Turbo Flora keyway 15 inclined-planes, automatically increased the positive pressure that combines between counter-rotating driven gear 4 and the bipyramid face brake pad 6 interior male cone (strobilus masculinus)s, made friction driving more reliable.
Claims (7)
1. Marine Gearbox Twin Cone friction clutch, comprise just commentaries on classics driven gear (4) and the counter-rotating driven gear (5) of kink on the bearing of output shaft (7) left and right sides respectively, the bipyramid face brake pad (6) and the eccentric shifting fork mechanism that cooperate with output shaft, it is characterized in that: bipyramid face brake pad (6) is positioned at the centre of just changeing driven gear (4) and counter-rotating driven gear (5), the symmetrical male cone (strobilus masculinus) of described bipyramid face brake pad (6) equates with the inner conical surface distance of inner conical surface that is just changeing driven gear (4) accordingly and counter-rotating driven gear (5), respectively there are left thrusting plate (9) and right thrusting plate (10) in the outside of just changeing driven gear (4) and counter-rotating driven gear (5), bipyramid face brake pad endoporus and output shaft (7) are for involute splines is connected, and spline (15) is a spiral chute.
2. Marine Gearbox Twin Cone friction clutch as claimed in claim 1 is characterized in that: the lead angle of described spline (15) is 35 °-55 °.
3. Marine Gearbox Twin Cone friction clutch as claimed in claim 2 is characterized in that: the lead angle of described spline (15) is 45 °.
4. Marine Gearbox Twin Cone friction clutch as claimed in claim 1 is characterized in that: the symmetrical male cone (strobilus masculinus) of described bipyramid face brake pad (6) respectively is 1-3mm with the axial clearance of the inner conical surface of just commentaries on classics driven gear (4) that matches and counter-rotating driven gear (5).
5. Marine Gearbox Twin Cone friction clutch as claimed in claim 4 is characterized in that: the symmetrical male cone (strobilus masculinus) of described bipyramid face brake pad (6) respectively is 1.5mm with the axial clearance of the inner conical surface of just commentaries on classics driven gear (4) that matches and counter-rotating driven gear (5).
6. Marine Gearbox Twin Cone friction clutch as claimed in claim 1 is characterized in that: the throw of eccentric of described selector fork axle sleeve (13) is 4-6mm.
7. Marine Gearbox Twin Cone friction clutch as claimed in claim 6, the throw of eccentric that it is characterized in that described selector fork axle sleeve (13) is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620072493 CN2898428Y (en) | 2006-04-21 | 2006-04-21 | Double-conical surface friction clutch of gearbox for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620072493 CN2898428Y (en) | 2006-04-21 | 2006-04-21 | Double-conical surface friction clutch of gearbox for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2898428Y true CN2898428Y (en) | 2007-05-09 |
Family
ID=38073762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620072493 Expired - Fee Related CN2898428Y (en) | 2006-04-21 | 2006-04-21 | Double-conical surface friction clutch of gearbox for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2898428Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958627A (en) * | 2017-04-27 | 2017-07-18 | 红河红冠科技有限公司 | High-performance New energy electric multi-speed transmission |
-
2006
- 2006-04-21 CN CN 200620072493 patent/CN2898428Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958627A (en) * | 2017-04-27 | 2017-07-18 | 红河红冠科技有限公司 | High-performance New energy electric multi-speed transmission |
| CN106958627B (en) * | 2017-04-27 | 2023-09-12 | 重庆康昌机械制造有限公司 | High-performance new energy electric multi-gear transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Rokee Heavy Industry Technology Co., Ltd. Assignor: Jiangsu University of Science and Technology Contract fulfillment period: 2009.2.28 to 2015.2.28 Contract record no.: 2009320000956 Denomination of utility model: Double-conical surface friction clutch of gearbox for ship Granted publication date: 20070509 License type: Exclusive license Record date: 20090518 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.2.28 TO 2015.2.28; CHANGE OF CONTRACT Name of requester: JIANGSU RONGJI HEAVY INDUSTRY SCIENCE CO., LTD. Effective date: 20090518 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070509 Termination date: 20110421 |